This math topic focuses on calculating the difference in time between two clocks, specifically determining how many minutes earlier one clock shows compared to another. The problems require students to find the elapsed time in minutes, considering cases where the times span across half-hour intervals. The questions use visuals of clock faces and provide multiple choices for each answer, challenging students to apply concepts of time calculation and negative elapsed time. This is part of a broader introduction to negative elapsed time calculation.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.